253147764 has 24 divisors (see below), whose sum is σ = 591192448. Its totient is φ = 84309120.

The previous prime is 253147753. The next prime is 253147777. The reversal of 253147764 is 467741352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6204 + ... + 23340.

Almost surely, 2^253147764 is an apocalyptic number.

It is an amenable number.

253147764 is an abundant number, since it is smaller than the sum of its proper divisors (338044684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253147764 is a wasteful number, since it uses less digits than its factorization.

253147764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18375 (or 18373 counting only the distinct ones).

The product of its digits is 141120, while the sum is 39.

The square root of 253147764 is about 15910.6179641144. The cubic root of 253147764 is about 632.5934612733.

The spelling of 253147764 in words is "two hundred fifty-three million, one hundred forty-seven thousand, seven hundred sixty-four".